Physics In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge? Ozone hole White hole Black hole Asteroid belt Ozone hole White hole Black hole Asteroid belt ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Surge protector Current unloader Voltage unloader Heat protector Surge protector Current unloader Voltage unloader Heat protector ANSWER DOWNLOAD EXAMIANS APP
Physics Full form of CFL used in place of electric bulbs is Compact fluorescent lamp Closed filament lamp Constantan filament lamp Closed fluorescent lamp Compact fluorescent lamp Closed filament lamp Constantan filament lamp Closed fluorescent lamp ANSWER DOWNLOAD EXAMIANS APP
Physics If the spinning speed of the earth is increased then the weight of body at the equator Increases Decreases Same Double Increases Decreases Same Double ANSWER DOWNLOAD EXAMIANS APP
Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 30 J 20 J 50 J 40 J 30 J 20 J 50 J 40 J ANSWER DOWNLOAD EXAMIANS APP
Physics A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. Total internal reflection Diffraction Refraction Reflection Total internal reflection Diffraction Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
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